[MSDN Library June 1998] Phone Device Constants (79.5795795795796%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > TAPI Reference > TAPI Constants

[MSDN Library June 1998] Phone Device Functions (62.047112047112%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > TAPI Reference > TAPI Functions

[MSDN Library June 1998] Phone Device Messages (62.047112047112%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > TAPI Reference > TAPI Messages

[MSDN Library June 1998] Phone Device Structures (57.5505940723332%)

MSDN Library Visual Studio 6.0 > Platform SDK > Networking and Distributed Services > Telephony Application Programming Interface (TAPI) > TAPI Version 2.1 > TAPI Reference > TAPI Structures

[MSDN Library June 1998] Phone Device Class (29.1316251316251%)

MSDN Library Visual Studio 6.0 > Specifications > Platforms > Telephony Application Programming Interface (TAPI) > Chapter 3